Home / 28,307,755,798.62-39,065,533,223.04-15,448,226,062.65

Finding the Fourth Proportional to 28,307,755,798.62, 39,065,533,223.04 and 15,448,226,062.65

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Solution

The fourth proportional to 28,307,755,798.62, 39,065,533,223.04 and 15,448,226,062.65 is: 21,319,005,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,307,755,798.62 : 39,065,533,223.04 = 15,448,226,062.65 : x
  2. Step 2: Convert to fraction form
    28,307,755,798.62/39,065,533,223.04 = 15,448,226,062.65/x
  3. Step 3: Cross multiply
    28,307,755,798.62x = 39,065,533,223.04 × 15,448,226,062.65
  4. Step 4: Simplify right side
    28,307,755,798.62x = 603,493,188,487,485,980,672
  5. Step 5: Solve for x
    x = 603,493,188,487,485,980,672/28,307,755,798.62
  6. Step 6: Final answer
    x = 21,319,005,038.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.